opm-common/tests/MessageBuffer.cpp

61 lines
1.4 KiB
C++

/*
Copyright (c) 2020 Equinor ASA
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sstream>
class MessageBuffer
{
private:
std::stringstream str_{};
public:
template <class T>
void read(T& value)
{
this->str_.read(reinterpret_cast<char *>(&value), sizeof value);
}
template <class T>
void write(T const& value)
{
this->str_.write(reinterpret_cast<const char *>(&value), sizeof value);
}
void write(const std::string& str)
{
const int size = str.size();
this->write(size);
for (int k = 0; k < size; ++k) {
this->write(str[k]);
}
}
void read(std::string& str)
{
int size = 0;
this->read(size);
str.resize(size);
for (int k = 0; k < size; ++k) {
this->read(str[k]);
}
}
};